<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
<style>
    #div {
        float: left;
        border: 1px solid;
        width: 100px;
        height: 100px;
    }

</style>



</head>
<body>

<div id="div1"> div1</div>
<div id="div2"> div2</div>
<div id="div3"> div3</div>

</body>
</html>